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Posted to issues@maven.apache.org by "Martin Burger (JIRA)" <ji...@codehaus.org> on 2012/02/10 14:37:03 UTC

[jira] (SUREFIRE-799) Allow test parallelisation when forkMode=always

    [ https://jira.codehaus.org/browse/SUREFIRE-799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=291341#comment-291341 ] 

Martin Burger commented on SUREFIRE-799:
----------------------------------------

JUnit test parallelization with forkMode=always is supposed to work now?

On my machine (I use Maven Surefire 2.12), with 'always' tests are not run in parallel (although log messages on the console suggest parallel test execution). When I use 'perthread' as forkMode instead, tests are actually run in parallel.
                
> Allow test parallelisation when forkMode=always
> -----------------------------------------------
>
>                 Key: SUREFIRE-799
>                 URL: https://jira.codehaus.org/browse/SUREFIRE-799
>             Project: Maven Surefire
>          Issue Type: New Feature
>          Components: process forking
>    Affects Versions: 2.10
>         Environment: all
>            Reporter: nkeywal
>            Assignee: Kristian Rosenvold
>             Fix For: 2.12
>
>         Attachments: surefire_799_212_trunk.patch, surefire_799.v2.patch
>
>
> Surefire already allows:
> - forking
> - parallelization within a JVM
> Mixing both features would mean forking multiple JVM instead of only one.
> It would allow to parallelize tests that need to be executed in a separate JVM (i.e.: with forkMode=always). Usually these tests take longer than the simple ones. In our case, 40% of the tests are executed in 4 minutes, the other 60% need two hours. So it's obviously more interesting to parallelize the former, but these ones need to fork.

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